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What is the value of (3!+4!)?(3!+4!) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 3030
Here, 3! = 3 × 2 × 1 = 6 and 4! = 4 × 3 × 2 × 1 = 24. Therefore, 3! + 4! = 6 + 24 = 30, so option B is correct. 24 is only the value of 4!, not the sum. Exam tip: In expressions involving factorials, evaluate each factorial first and then perform addition or subtraction.यहाँ 3! = 3 × 2 × 1 = 6 और 4! = 4 × 3 × 2 × 1 = 24 है। अतः 3! + 4! = 6 + 24 = 30, इसलिए विकल्प B सही है। 24 केवल 4! का मान है, योग का नहीं। परीक्षा टिप: फैक्टोरियल वाले व्यंजक में पहले प्रत्येक फैक्टोरियल का मान निकालकर फिर जोड़ या घटाव करें।
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